DNA Is Isolated from Bacteria Undergoing DNA Replication

question 29

Multiple Choice

DNA is isolated from bacteria undergoing DNA replication. After heat treatment to disrupt H-bonds the DNA is centrifuged and it separates into two classes. One class of DNA includes very large molecules (thousands or even millions of nucleotides long) , and the other includes short stretches of DNA (several hundred to a few thousand nucleotides in length) . Which types of DNA do the two classes most likely represent?

• A) leading strands and Okazaki fragments
• B) lagging strands and Okazaki fragments
• C) Okazaki fragments and Origin of replication
• D) leading strands and fragments generated due to replication errors

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Definitions:

Generativity

A concern for establishing and guiding the next generation, typically expressed through parenting, teaching, and community involvement.

Industry

The sector of the economy concerned with production, manufacturing, and distribution of goods and services.

Initiative

The ability to assess and begin tasks independently without needing external motivation or pressure.

Integrity

The quality of being honest and having strong moral principles.